Masamitsu Hiyoshi

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Kagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preventing gas leakage from oven door of coke oven
- Patent number 4,145,258
- Issue date Mar 20, 1979
- Mitsubishi Kasei Kogyo Kabushiki Kaisha
- Koretoshi Fujishiro
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...